diff options
| author | Emil Tsalapatis <emil@etsalapatis.com> | 2026-04-26 15:03:35 -0400 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2026-04-26 18:12:22 -0700 |
| commit | cfc00618b9dfc75cd507f1a4f0d83b4429627399 (patch) | |
| tree | 080cd3bd0295f57c2b5577e485f9c79876ac5baf /tools/testing/selftests/bpf/Makefile | |
| parent | 9ab78691eb5fd0d3ad0a1994d4103223678eb78b (diff) | |
| download | linux-next-cfc00618b9dfc75cd507f1a4f0d83b4429627399.tar.gz linux-next-cfc00618b9dfc75cd507f1a4f0d83b4429627399.zip | |
selftests/bpf: Add ASAN support for libarena selftests
Expand the arena library selftest infrastructure to support
address sanitization. Add the compiler flags necessary to
compile the library under ASAN when supported.
Signed-off-by: Emil Tsalapatis <emil@etsalapatis.com>
Link: https://lore.kernel.org/r/20260426190338.4615-6-emil@etsalapatis.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'tools/testing/selftests/bpf/Makefile')
| -rw-r--r-- | tools/testing/selftests/bpf/Makefile | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile index 71c7873c4b15..97ee61f2ade5 100644 --- a/tools/testing/selftests/bpf/Makefile +++ b/tools/testing/selftests/bpf/Makefile @@ -79,6 +79,12 @@ ifneq ($(shell $(CLANG) --target=bpf -mcpu=help 2>&1 | grep 'v4'),) CLANG_CPUV4 := 1 endif +# Check whether clang supports BPF address sanitizer (requires LLVM 22+) +CLANG_HAS_ARENA_ASAN := $(shell echo 'int x;' | \ + $(CLANG) --target=bpf -fsanitize=kernel-address \ + -mllvm -asan-shadow-addr-space=1 \ + -x c -c - -o /dev/null 2>/dev/null && echo 1) + # Order correspond to 'make run_tests' order TEST_GEN_PROGS = test_verifier test_tag test_maps test_lru_map test_progs \ test_sockmap \ @@ -764,6 +770,14 @@ LIBARENA_SKEL := libarena/libarena.skel.h $(LIBARENA_SKEL): $(INCLUDE_DIR)/vmlinux.h $(BPFOBJ) $(LIBARENA_BPF_DEPS) +$(MAKE) -C libarena libarena.skel.h $(LIBARENA_MAKE_ARGS) +ifneq ($(CLANG_HAS_ARENA_ASAN),) +LIBARENA_ASAN_SKEL := libarena/libarena_asan.skel.h +CFLAGS += -DHAS_BPF_ARENA_ASAN + +$(LIBARENA_ASAN_SKEL): $(INCLUDE_DIR)/vmlinux.h $(BPFOBJ) $(LIBARENA_BPF_DEPS) + +$(MAKE) -C libarena libarena_asan.skel.h $(LIBARENA_MAKE_ARGS) +endif + # Define test_progs test runner. TRUNNER_TESTS_DIR := prog_tests TRUNNER_BPF_PROGS_DIR := progs @@ -788,7 +802,9 @@ TRUNNER_EXTRA_SOURCES := test_progs.c \ flow_dissector_load.h \ ip_check_defrag_frags.h \ bpftool_helpers.c \ - usdt_1.c usdt_2.c + usdt_1.c usdt_2.c \ + $(LIBARENA_SKEL) \ + $(LIBARENA_ASAN_SKEL) TRUNNER_LIB_SOURCES := find_bit.c TRUNNER_EXTRA_FILES := $(OUTPUT)/urandom_read \ $(OUTPUT)/liburandom_read.so \ @@ -959,3 +975,7 @@ override define INSTALL_RULE endef libarena: $(LIBARENA_SKEL) + +ifneq ($(CLANG_HAS_ARENA_ASAN),) +libarena_asan: $(LIBARENA_ASAN_SKEL) +endif |